Quote Originally Posted by Ricardo Miranda View Post
This may explain why you get discrepancies in exposure:


http://www.kenrockwell.com/nikon/fa.htm

As you are using manual AI/-S lenses, there are tiny differences when the diaphragm closes. The FA is the only Nikon that corrects that difference with manual lenses. Others, like the F4 have a open-loop exposure system.
no wonder I hate the FA.